<template>
  <form-item-wrapper
    :designer="designer"
    :field="field"
    :rules="rules"
    :design-state="designState"
    :parent-widget="parentWidget"
    :parent-list="parentList"
    :index-of-parent-list="indexOfParentList"
    :sub-form-row-index="subFormRowIndex"
    :sub-form-col-index="subFormColIndex"
    :sub-form-row-id="subFormRowId"
  >
    <processSelect
      ref="personSelectRef"
      v-show="!(isReadMode || field.options.readonly)"
      v-model:modelValue="field.options.defaultValue"
      :placeholder="field.options.placeholder"
      :multiple="field.options.multiple"
      :clearable="field.options.clearable"
      title="流程选择"
      :options="field.options"
      :disabled="isReadMode || field.options.readonly"
      :selectType="field.options.selectType"
      :choosePerson="field.options.choosePerson"
      :isReturnData="field.options.isReturnData"
      @change="onUpdate"
    />
    <template v-if="isReadMode || field.options.readonly">
      <span class="readonly-mode-field">
        <div class="text" v-for="item in field.options.defaultValue" :key="item.exampleId" @click="jump">
          {{ item.exampleTitle }}
        </div>
      </span>
    </template>
  </form-item-wrapper>
</template>

<script>
import FormItemWrapper from "./form-item-wrapper";
import emitter from "@/utils/emitter";
import i18n, { translate } from "@/utils/i18n";
import fieldMixin from "@/components/form-designer/form-widget/field-widget/fieldMixin";
import { generateId } from "@/utils/util";
import processSelect from "@/components/ZHLX-Components/ZHLX-processSelect/index";
import eventBus from "@/utils/event-bus";

export default {
  name: "select-process-widget",
  componentName: "FieldWidget", //必须固定为FieldWidget，用于接收父级组件的broadcast事件
  mixins: [emitter, fieldMixin, i18n],
  props: {
    field: Object,
    parentWidget: Object,
    parentList: Array,
    indexOfParentList: Number,
    designer: Object,

    designState: {
      type: Boolean,
      default: false,
    },

    subFormRowIndex: {
      /* 子表单组件行索引，从0开始计数 */ type: Number,
      default: -1,
    },
    subFormColIndex: {
      /* 子表单组件列索引，从0开始计数 */ type: Number,
      default: -1,
    },
    subFormRowId: {
      /* 子表单组件行Id，唯一id且不可变 */ type: String,
      default: "",
    },
  },
  components: {
    FormItemWrapper,
    processSelect,
  },
  data() {
    return {
      oldFieldValue: null, //field组件change之前的值
      fieldModel: null,
      rules: [],
      widgetKey: "",
    };
  },
  computed: {
    allowDefaultFirstOption() {
      return !!this.field.options.filterable || !!this.field.options.remote;
    },

    remoteMethod() {
      if (!!this.field.options.remote && !!this.field.options.onRemoteQuery) {
        return this.remoteQuery;
      } else {
        return undefined;
      }
    },

    selectKey() {
      return this.widgetKey || this.field.id;
    },
  },
  beforeCreate() {
    /* 这里不能访问方法和属性！！ */
  },

  created() {
    /* 注意：子组件mounted在父组件created之后、父组件mounted之前触发，故子组件mounted需要用到的prop
         需要在父组件created中初始化！！ */
    this.registerToRefList();
    this.initOptionItems();
    this.initFieldModel();
    this.initEventHandler();
    this.buildFieldRules();

    this.handleOnCreated();
  },

  mounted() {
    this.handleOnMounted();
  },

  beforeUnmount() {
    this.unregisterFromRefList();
  },

  methods: {
    /**
     * 获取选中项label
     * @return {*}
     */
    getSelectedLabel() {
      return this.$refs.fieldEditor.selectedLabel;
    },

    refreshWidgetKey() {
      //强制刷新组件！！
      this.widgetKey = "select-key-" + generateId();
    },
    onUpdate(val, list) {
      this.syncUpdateFormModel(this.field.options.defaultValue);
      this.dispatch("VFormRender", "fieldValidation", [this.getPropName()]);
    },
    jump(item) {
       eventBus.$emit("process_jump", item);
    }
  },
};
</script>

<style lang="scss" scoped>
@import "../../../../styles/global.scss"; /* form-item-wrapper已引入，还需要重复引入吗？ */

.full-width-input {
  width: 100% !important;
}
.readonly-mode-field {
  .text {
    font-size: 13px;
    font-family: var(--font-family-variable);
  }
}
</style>
